OpenTechnical

OT-2026-000050225

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two stage ejector, vented before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000050225) never changes.

Identity and time

Publication numberOT-2026-000050225 · never reused
Internal UUID01a0ae82-5c46-7659-9e00-65618a4f864d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050225
StatusPUBLIC

Content hashes

Canonical textb74f7a29fcb6bf6bd5333440e114f24e1ea74342e8a6edfec60765fa0d488a27
Markdownfe6eded62b23638fbdae35f75feae352d7e1985391b523fcb8dcb56a94a7d726
PDF
Publication page9e1bbbe7fe19da21275636447b175a2f144639978fc97b1571e28c597fe35fd6
Manifest233c3a7b6766571667b862abc586bde42990157a53d54155074c68b72ff053ac

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureMEdZVE58/L4ukOnidX2hUBLYnJsOT88HD5UHawcVzRkx75k1Zlub3l/n47hLXuoCQp110TWxXW+kf7/qjtUoAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:01:13.129491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050225
observed 9e1bbbe7fe19da21275636447b175a2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:13.113697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050225/manifest.json
observed 233c3a7b6766571667b862abc586bde4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:13.097303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050225/publication.md
observed fe6eded62b23638fbdae35f75feae352...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:13.081228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050225/publication.txt
observed b74f7a29fcb6bf6bd5333440e114f24e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.